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Strategies to Increase ß-Cell Mass Expansion
This electronic thesis or dissertation has been downloaded from the King’s Research Portal at https://kclpure.kcl.ac.uk/portal/ Strategies to increase -cell mass expansion Drynda, Robert Lech Awarding institution: King's College London The copyright of this thesis rests with the author and no quotation from it or information derived from it may be published without proper acknowledgement. END USER LICENCE AGREEMENT Unless another licence is stated on the immediately following page this work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International licence. https://creativecommons.org/licenses/by-nc-nd/4.0/ You are free to copy, distribute and transmit the work Under the following conditions: Attribution: You must attribute the work in the manner specified by the author (but not in any way that suggests that they endorse you or your use of the work). Non Commercial: You may not use this work for commercial purposes. No Derivative Works - You may not alter, transform, or build upon this work. Any of these conditions can be waived if you receive permission from the author. Your fair dealings and other rights are in no way affected by the above. Take down policy If you believe that this document breaches copyright please contact [email protected] providing details, and we will remove access to the work immediately and investigate your claim. Download date: 02. Oct. 2021 Strategies to increase β-cell mass expansion A thesis submitted by Robert Drynda For the degree of Doctor of Philosophy from King’s College London Diabetes Research Group Division of Diabetes & Nutritional Sciences Faculty of Life Sciences & Medicine King’s College London 2017 Table of contents Table of contents ................................................................................................. -
The Activation of the Glucagon-Like Peptide-1 (GLP-1) Receptor by Peptide and Non-Peptide Ligands
The Activation of the Glucagon-Like Peptide-1 (GLP-1) Receptor by Peptide and Non-Peptide Ligands Clare Louise Wishart Submitted in accordance with the requirements for the degree of Doctor of Philosophy of Science University of Leeds School of Biomedical Sciences Faculty of Biological Sciences September 2013 I Intellectual Property and Publication Statements The candidate confirms that the work submitted is her own and that appropriate credit has been given where reference has been made to the work of others. This copy has been supplied on the understanding that it is copyright material and that no quotation from the thesis may be published without proper acknowledgement. The right of Clare Louise Wishart to be identified as Author of this work has been asserted by her in accordance with the Copyright, Designs and Patents Act 1988. © 2013 The University of Leeds and Clare Louise Wishart. II Acknowledgments Firstly I would like to offer my sincerest thanks and gratitude to my supervisor, Dr. Dan Donnelly, who has been nothing but encouraging and engaging from day one. I have thoroughly enjoyed every moment of working alongside him and learning from his guidance and wisdom. My thanks go to my academic assessor Professor Paul Milner whom I have known for several years, and during my time at the University of Leeds he has offered me invaluable advice and inspiration. Additionally I would like to thank my academic project advisor Dr. Michael Harrison for his friendship, help and advice. I would like to thank Dr. Rosalind Mann and Dr. Elsayed Nasr for welcoming me into the lab as a new PhD student and sharing their experimental techniques with me, these techniques have helped me no end in my time as a research student. -
Differential Gene Expression Profile in Endometrioid And
[CANCER RESEARCH 63, 5697–5702, September 15, 2003] Advances in Brief Differential Gene Expression Profile in Endometrioid and Nonendometrioid Endometrial Carcinoma: STK15 Is Frequently Overexpressed and Amplified in Nonendometrioid Carcinomas1 Gema Moreno-Bueno, Carolina Sa´nchez-Este´vez, Rau´l Cassia, Sandra Rodrı´guez-Perales, Ramo´n Dı´az-Uriarte, Orlando Domı´nguez, David Hardisson, Miguel Andujar, Jaime Prat, Xavier Matias-Guiu, Juan C. Cigudosa, and Jose´Palacios2 Laboratory of Breast and Gynaecological Cancer, Molecular Pathology Programme [G. M-B., C. S-E., R. C., J. Pa.] and Biotechnology Programme [S. R-P., R. D-U., O. D., J. C. C.], Centro Nacional de Investigaciones Oncologicas, Madrid; Department of Pathology, Hospital Universitario La Paz, Madrid [D. H.]; Department of Pathology, Hospital Materno Infantil, Las Palmas [M. A.]; Department of Pathology, Hospital Sant Pau y Sant Creu, Barcelona [J. Pr.]; and Department of Pathology, Hospital Arnau de Villanova, Lleida [X. M-G.], Spain Abstract tiated endometrioid carcinomas that usually develop in pre- and perimenopausal women. They are associated with estrogen stimula- Endometrial carcinoma (EC) comprises at least two types of cancer: tion, coexist with, or are preceded by atypical endometrial hyperplasia endometrioid carcinomas (EECs) are estrogen-related tumors, which are and are associated with ER positivity and with K-RAS, PTEN, and frequently euploid and have a good prognosis. Nonendometrioid carcino-  mas (NEECs; serous and clear cell forms) are not estrogen related, are -catenin mutations, and microsatellite instability. Conversely, type II frequently aneuploid, and are clinically aggressive. We used cDNA mi- tumors are NEECs (papillary serous and clear cell carcinomas) that croarrays containing 6386 different genes to analyze gene expression occur in older women. -
309 Molecular Role of Dopamine in Anhedonia Linked to Reward
[Frontiers In Bioscience, Scholar, 10, 309-325, March 1, 2018] Molecular role of dopamine in anhedonia linked to reward deficiency syndrome (RDS) and anti- reward systems Mark S. Gold8, Kenneth Blum,1-7,10 Marcelo Febo1, David Baron,2 Edward J Modestino9, Igor Elman10, Rajendra D. Badgaiyan10 1Department of Psychiatry, McKnight Brain Institute, University of Florida, College of Medicine, Gainesville, FL, USA, 2Department of Psychiatry and Behavioral Sciences, Keck School of Medicine, University of South- ern California, Los Angeles, CA, USA, 3Global Integrated Services Unit University of Vermont Center for Clinical and Translational Science, College of Medicine, Burlington, VT, USA, 4Department of Addiction Research, Dominion Diagnostics, LLC, North Kingstown, RI, USA, 5Center for Genomics and Applied Gene Technology, Institute of Integrative Omics and Applied Biotechnology (IIOAB), Nonakuri, Purbe Medinpur, West Bengal, India, 6Division of Neuroscience Research and Therapy, The Shores Treatment and Recovery Center, Port St. Lucie, Fl., USA, 7Division of Nutrigenomics, Sanus Biotech, Austin TX, USA, 8Department of Psychiatry, Washington University School of Medicine, St. Louis, Mo, USA, 9Depart- ment of Psychology, Curry College, Milton, MA USA,, 10Department of Psychiatry, Wright State University, Boonshoft School of Medicine, Dayton, OH ,USA. TABLE OF CONTENTS 1. Abstract 2. Introduction 3. Anhedonia and food addiction 4. Anhedonia in RDS Behaviors 5. Anhedonia hypothesis and DA as a “Pleasure” molecule 6. Reward genes and anhedonia: potential therapeutic targets 7. Anti-reward system 8. State of At of Anhedonia 9. Conclusion 10. Acknowledgement 11. References 1. ABSTRACT Anhedonia is a condition that leads to the loss like “anti-reward” phenomena. These processes of feelings pleasure in response to natural reinforcers may have additive, synergistic or antagonistic like food, sex, exercise, and social activities. -
Receptor Internalization Assays
REF: P30214 RECEPTOR INTERNALIZATION ASSAYS - PITUITARY ADENYLATE CYCLASE-ACTIVATING POLYPEPTIDE TYPE I RECEPTOR - Product name: ADCYAP1R1-tGFP (PAC1-tGFP) / U2OS cell line -7 Ec50 PACAP-38: 1.06 x 10 M Z´: 0.73+/- 0.02 INNOVATIVE TECHNOLOGIES IN BIOLOGICAL SYSTEMS, S.L. Parque Tecnológico Bizkaia, Edifício 502, 1ª Planta | 48160 | Derio | Bizkaia Tel.: +34 944005355 | Fax: +34 946579925 VAT No. [email protected] | www.innoprot.com ESB95481909 Product Name: ADCYAP1R1-tGFP_U2OS Reference: P30214 Rep. Official Full Name: Pituitary adenylate cyclase- activating polypeptide type I receptor DNA Accession Number: Gene Bank AY366498 Host Cell: U2OS References: P30214: 2 vials of 3 x 106 proliferative cells P30214-DA: 1 vial of 2 x 106 division-arrested cells Storage: Liquid Nitrogen Assay Briefly description About ADCYAP1R1 Each vial of ADCYAP1R1 Internalization Assay Pituitary adenylate cyclase-activating Cell Line contains U2OS cells stably expressing polypeptide type I receptor, also known as human Pituitary adenylate cyclase-activating PAC1 is a protein that in humans is encoded by polypeptide type I receptor tagged in the N- the ADCYAP1R1 gene. ADCYAP1R1 is a terminus with tGFP protein. membrane-associated protein and shares significant homology with members of the Innoprot’s ADCYAP1R1-tGFP Internalization glucagon/secretin receptor family. This receptor Assay Cell Line has been designed to assay binds pituitary adenylate cyclase activating potential agonists/ antagonists against peptide (PACAP) mediating several biological ADCYAP1R1, modulating its activation and the activities and it is positively coupled to following redistribution process inside the cells. adenylate cyclase. This cell line will allow the image analysis of the stimuli induced by the compounds. -
Supporting Online Material
1 2 3 4 5 6 7 Supplementary Information for 8 9 Fractalkine-induced microglial vasoregulation occurs within the retina and is altered early in diabetic 10 retinopathy 11 12 *Samuel A. Mills, *Andrew I. Jobling, *Michael A. Dixon, Bang V. Bui, Kirstan A. Vessey, Joanna A. Phipps, 13 Ursula Greferath, Gene Venables, Vickie H.Y. Wong, Connie H.Y. Wong, Zheng He, Flora Hui, James C. 14 Young, Josh Tonc, Elena Ivanova, Botir T. Sagdullaev, Erica L. Fletcher 15 * Joint first authors 16 17 Corresponding author: 18 Prof. Erica L. Fletcher. Department of Anatomy & Neuroscience. The University of Melbourne, Grattan St, 19 Parkville 3010, Victoria, Australia. 20 Email: [email protected] ; Tel: +61-3-8344-3218; Fax: +61-3-9347-5219 21 22 This PDF file includes: 23 24 Supplementary text 25 Figures S1 to S10 26 Tables S1 to S7 27 Legends for Movies S1 to S2 28 SI References 29 30 Other supplementary materials for this manuscript include the following: 31 32 Movies S1 to S2 33 34 35 36 1 1 Supplementary Information Text 2 Materials and Methods 3 Microglial process movement on retinal vessels 4 Dark agouti rats were anaesthetized, injected intraperitoneally with rhodamine B (Sigma-Aldrich) to label blood 5 vessels and retinal explants established as described in the main text. Retinal microglia were labelled with Iba-1 6 and imaging performed on an inverted confocal microscope (Leica SP5). Baseline images were taken for 10 7 minutes, followed by the addition of PBS (10 minutes) and then either fractalkine or fractalkine + candesartan 8 (10 minutes) using concentrations outlined in the main text. -
Supplementary Table 3 Complete List of RNA-Sequencing Analysis of Gene Expression Changed by ≥ Tenfold Between Xenograft and Cells Cultured in 10%O2
Supplementary Table 3 Complete list of RNA-Sequencing analysis of gene expression changed by ≥ tenfold between xenograft and cells cultured in 10%O2 Expr Log2 Ratio Symbol Entrez Gene Name (culture/xenograft) -7.182 PGM5 phosphoglucomutase 5 -6.883 GPBAR1 G protein-coupled bile acid receptor 1 -6.683 CPVL carboxypeptidase, vitellogenic like -6.398 MTMR9LP myotubularin related protein 9-like, pseudogene -6.131 SCN7A sodium voltage-gated channel alpha subunit 7 -6.115 POPDC2 popeye domain containing 2 -6.014 LGI1 leucine rich glioma inactivated 1 -5.86 SCN1A sodium voltage-gated channel alpha subunit 1 -5.713 C6 complement C6 -5.365 ANGPTL1 angiopoietin like 1 -5.327 TNN tenascin N -5.228 DHRS2 dehydrogenase/reductase 2 leucine rich repeat and fibronectin type III domain -5.115 LRFN2 containing 2 -5.076 FOXO6 forkhead box O6 -5.035 ETNPPL ethanolamine-phosphate phospho-lyase -4.993 MYO15A myosin XVA -4.972 IGF1 insulin like growth factor 1 -4.956 DLG2 discs large MAGUK scaffold protein 2 -4.86 SCML4 sex comb on midleg like 4 (Drosophila) Src homology 2 domain containing transforming -4.816 SHD protein D -4.764 PLP1 proteolipid protein 1 -4.764 TSPAN32 tetraspanin 32 -4.713 N4BP3 NEDD4 binding protein 3 -4.705 MYOC myocilin -4.646 CLEC3B C-type lectin domain family 3 member B -4.646 C7 complement C7 -4.62 TGM2 transglutaminase 2 -4.562 COL9A1 collagen type IX alpha 1 chain -4.55 SOSTDC1 sclerostin domain containing 1 -4.55 OGN osteoglycin -4.505 DAPL1 death associated protein like 1 -4.491 C10orf105 chromosome 10 open reading frame 105 -4.491 -
Bradykinin Receptor Deficiency Or Antagonism Do Not Impact the Host
Ding et al. Intensive Care Medicine Experimental (2019) 7:14 Intensive Care Medicine https://doi.org/10.1186/s40635-019-0228-3 Experimental RESEARCH Open Access Bradykinin receptor deficiency or antagonism do not impact the host response during gram-negative pneumonia-derived sepsis Chao Ding1,2, Jack Yang2, Cornelis van’t Veer2 and Tom van der Poll2,3* * Correspondence: t.vanderpoll@ amc.uva.nl Abstract 2Center of Experimental and Molecular Medicine, Academic Background: Kinins are short peptides with a wide range of proinflammatory Medical Center, University of properties that are generated from kininogens in the so-called kallikrein-kinin system. Amsterdam, Meibergdreef 9, Room Kinins exert their biological activities through stimulation of two distinct receptor G2-130, 1105 AZ Amsterdam, the Netherlands subtypes, the kinin or bradykinin B1 and B2 receptors (B1R, B2R). Acute challenge 3Division of Infectious Diseases, models have implicated B1R and B2R in the pathogenesis of sepsis. However, their Academic Medical Center, role in the host response during sepsis originating from the lung is not known. University of Amsterdam, Amsterdam, the Netherlands Results: To determine the role of B1R and B2R in pneumonia-derived sepsis, B1R/ Full list of author information is B2R-deficient mice and wild-type mice treated with the B1R antagonist R-715 or the available at the end of the article B2R antagonist HOE-140 were studied after infection with the common gram- negative pathogen Klebsiella pneumoniae via the airways. Neither B1R/B2R deficiency nor B1R or B2R inhibition influenced bacterial growth at the primary site of infection or dissemination to distant body sites. -
Intramolecular Allosteric Communication in Dopamine D2 Receptor Revealed by Evolutionary Amino Acid Covariation
Intramolecular allosteric communication in dopamine D2 receptor revealed by evolutionary amino acid covariation Yun-Min Sunga, Angela D. Wilkinsb, Gustavo J. Rodrigueza, Theodore G. Wensela,1, and Olivier Lichtargea,b,1 aVerna and Marrs Mclean Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030; and bDepartment of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030 Edited by Brian K. Kobilka, Stanford University School of Medicine, Stanford, CA, and approved February 16, 2016 (received for review August 19, 2015) The structural basis of allosteric signaling in G protein-coupled led us to ask whether ET could also uncover couplings among receptors (GPCRs) is important in guiding design of therapeutics protein sequence positions not in direct contact. and understanding phenotypic consequences of genetic variation. ET estimates the relative functional sensitivity of a protein to The Evolutionary Trace (ET) algorithm previously proved effective in variations at each residue position using phylogenetic distances to redesigning receptors to mimic the ligand specificities of functionally account for the functional divergence among sequence homologs distinct homologs. We now expand ET to consider mutual informa- (25, 26). Similar ideas can be applied to pairs of sequence positions tion, with validation in GPCR structure and dopamine D2 receptor to recompute ET as the average importance of the couplings be- (D2R) function. The new algorithm, called ET-MIp, identifies evolu- tween a residue and its direct structural neighbors (27). To measure tionarily relevant patterns of amino acid covariations. The improved the evolutionary coupling information between residue pairs, we predictions of structural proximity and D2R mutagenesis demon- present a new algorithm, ET-MIp, that integrates the mutual in- strate that ET-MIp predicts functional interactions between residue formation metric (MIp) (5) to the ET framework. -
An Explanation of G-Protein Coupled Receptor Structure
Journal of Stem Cell Research & Therapeutics Review Article Open Access Role of GPCRS towards cell: an explanation of g-protein coupled receptor structure Abstract Volume 2 Issue 3 - 2017 G- protein coupled receptors are the heptahelical, serpentine receptor and are Nidhi Sharma,1 Anil Kumar Sahdev,2 Vinit Raj2 multifunctional receptors having modulatory activity of a wide variety of biological 1Dr. K. N. Modi Institute of Pharmacy & Research centre, process including: Neurotransmission, Chemoattraction, Cardiac function, Olfaction Modinagar, India. and Vision etc. At largest level they are involved in signal transduction across cell 2Department of Pharmaceutical Sciences, Babasaheb Bhimrao membranes therefore they represent major targets in the development of novel drug Ambedkar University, India candidates in all clinical areas. Particularly membrane cholesterol has been reported to have a great role in the functioning of a number of GPCRs. Apart from this it also Correspondence: Vinit Raj, Department of Pharmaceutical have some drawbacks. Mutations that occur are associated with a broad spectrum of Sciences, Babasaheb Bhimrao Ambedkar University, VidyaVihar, diseases of diverse etiology. As a mutations result, there is a change in receptor activity Rae Bareli Road, Lucknow-226025, Email [email protected] (GPCR become inactive, overactive, or constitutively active), in the process of ligand binding and signal transduction. Changes in the GPCRs functioning can cause diseases Received: January 31, 2017 | Published: March 27, 2017 such as retinitis pigmentosa (rhodopsin mutations), nephrogenic diabetes insipidus (vasopressin receptor mutations), and obesity (melanocortin receptor mutations). Keywords: gpcrs, serpentine receptor, neurotransmission, retinitis pigmentosa, nephrogenic diabetes insipidus, bardet-biedl syndrome, hypogonadism Introduction deliver a message and appropriate cellular and physiological response1,2 (Figure 1). -
The Prospective Value of Dopamine Receptors on Bio-Behavior of Tumor
Journal of Cancer 2019, Vol. 10 1622 Ivyspring International Publisher Journal of Cancer 2019; 10(7): 1622-1632. doi: 10.7150/jca.27780 Review The Prospective Value of Dopamine Receptors on Bio-Behavior of Tumor Xu Wang1,2, Zhi-Bin Wang1,2, Chao Luo1,2,4, Xiao-Yuan Mao1,2, Xi Li1,2, Ji-Ye Yin1,2, Wei Zhang1,2,3, Hong-Hao Zhou1,2,3, Zhao-Qian Liu1,2,3 1. Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, P. R. China; 2. Institute of Clinical Pharmacology, Central South University, Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, P. R. China; 3. National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, P. R. China; 4. School of Life Sciences, Central South University, Changsha, Hunan 410078. Corresponding author: Professor Zhao-Qian Liu: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, P. R. China; Institute of Clinical Pharmacology, Central South University; Hunan Key Laboratory of Pharmacogenetics, Changsha 410078, P. R. China. Tel: +86 731 89753845, Fax: +86 731 82354476, E-mail: [email protected]. © Ivyspring International Publisher. This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) license (https://creativecommons.org/licenses/by-nc/4.0/). See http://ivyspring.com/terms for full terms and conditions. Received: 2018.06.10; Accepted: 2019.02.07; Published: 2019.03.03 Abstract Dopamine receptors are belong to the family of G protein-coupled receptor. There are five types of dopamine receptor (DR), including DRD1, DRD2, DRD3, DRD4, and DRD5, which are divided into two major groups: the D1-like receptors (DRD1 and DRD5), and the D2-like receptors (DRD2, DRD3, and DRD4). -
Binding Mode Exploration of B1 Receptor Antagonists' by the Use of Molecular Dynamics and Docking Simulation—How Different T
International Journal of Molecular Sciences Article Binding Mode Exploration of B1 Receptor Antagonists’ by the Use of Molecular Dynamics and Docking Simulation—How Different Target Engagement Can Determine Different Biological Effects Marica Gemei 1,*, Carmine Talarico 1 , Laura Brandolini 1, Candida Manelfi 1, Lorena Za 2, Silvia Bovolenta 2, Chiara Liberati 2, Luigi Del Vecchio 3, Roberto Russo 4 , Carmen Cerchia 4, Marcello Allegretti 1 and Andrea Rosario Beccari 1 1 Dompé Farmaceutici SpA, via Campo di Pile, 67100 L’Aquila, Italy; [email protected] (C.T.); [email protected] (L.B.); candida.manelfi@dompe.com (C.M.); [email protected] (M.A.); [email protected] (A.R.B.) 2 Axxam, Via Meucci 3, Bresso, 20091 Milano, Italy; [email protected] (L.Z.); [email protected] (S.B.); [email protected] (C.L.) 3 Ceinge Biotecnologie Avanzate, via G. Salvatore 486, 80145 Napoli, Italy; [email protected] 4 Department of Pharmacy, University of Naples “Federico II”, via D. Montesano, 49, 80131 Napoli, Italy; [email protected] (R.R.); [email protected] (C.C.) * Correspondence: [email protected]; Tel.: +34-06-465916 Received: 26 August 2020; Accepted: 12 October 2020; Published: 16 October 2020 Abstract: The kinin B1 receptor plays a critical role in the chronic phase of pain and inflammation. The development of B1 antagonists peaked in recent years but almost all promising molecules failed in clinical trials. Little is known about these molecules’ mechanisms of action and additional information will be necessary to exploit the potential of the B1 receptor.